<template>
  <div class="p-2">
    <transition :enter-active-class="proxy?.animate.searchAnimate.enter" :leave-active-class="proxy?.animate.searchAnimate.leave">
      <div class="search" v-show="showSearch">
        <el-form :model="queryParams" ref="queryFormRef" :inline="true" label-width="68px">
          <el-form-item label="图书名" prop="bookName">
            <el-input v-model="queryParams.bookName" placeholder="请输入图书名" clearable style="width: 240px" @keyup.enter="handleQuery" />
          </el-form-item>
          <el-form-item label="作者" prop="auth">
            <el-input v-model="queryParams.auth" placeholder="请输入" clearable style="width: 240px" @keyup.enter="handleQuery" />
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
            <el-button icon="Refresh" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </transition>

    <el-card class="duandai" shadow="never">
      <template #header>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" plain icon="Plus" @click="handleAdd" v-hasPermi="['system:book:add']">新增</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate()" v-hasPermi="['system:book:edit']">修改</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete()" v-hasPermi="['system:book:remove']"
              >删除</el-button
            >
          </el-col>
          <el-col :span="1.5">
            <el-button type="warning" plain icon="Download" @click="handleExport" v-hasPermi="['system:book:export']">导出</el-button>
          </el-col>
          <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>
      </template>

      <el-table border v-loading="loading" :data="bookList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column resizable label="id" align="center" prop="bookId" v-if="true" />
        <el-table-column resizable label="图书名" align="center" prop="bookName" />
        <el-table-column style="z-index: 2000;" label="封面" align="center" prop="url">
          <template #default="scope">
            <ImagePreview
              :src="scope.row.url"
              alt=""
              :preview-src-list="[scope.row.url]"
              style="width: 100px; height: 100px"
            />
          </template>
        </el-table-column>
        <el-table-column resizable label="作者" align="center" prop="auth" />
        <el-table-column resizable label="简介" align="center" prop="introduction" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-tooltip content="修改" placement="top">
              <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:book:edit']"></el-button>
            </el-tooltip>
            <el-tooltip content="删除" placement="top">
              <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['system:book:remove']"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <pagination v-show="total>0" :total="total" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize" @pagination="getList" />
    </el-card>
    <!-- 添加或修改图书对话框 -->
    <el-dialog :title="dialog.title" v-model="dialog.visible" width="500px" append-to-body>
      <el-form ref="bookFormRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="图书名" prop="bookName">
          <el-input v-model="form.bookName" placeholder="请输入图书名" />
        </el-form-item>
        <el-form-item label="URL地址" prop="url">
          <image-upload :type="'url'" v-model="form.url" :limit="1" />
        </el-form-item>
        <el-form-item label="" prop="auth">
          <el-input v-model="form.auth" placeholder="请输入" />
        </el-form-item>
        <el-form-item label="" prop="introduction">
          <el-input v-model="form.introduction" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Book" lang="ts">
import { listBook, getBook, delBook, addBook, updateBook } from '@/api/system/book';
import { BookVO, BookQuery, BookForm } from '@/api/system/book/types';
import { Upload } from "@element-plus/icons-vue";
const baseUrl = import.meta.env.VITE_APP_BASE_API;
const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const bookList = ref<BookVO[]>([]);
const buttonLoading = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref<Array<string | number>>([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);

const queryFormRef = ref<ElFormInstance>();
const bookFormRef = ref<ElFormInstance>();

const dialog = reactive<DialogOption>({
  visible: false,
  title: ''
});

const initFormData: BookForm = {
  bookId: undefined,
  bookName: undefined,
  url: undefined,
  auth: undefined,
  introduction: undefined,
}
const data = reactive<PageData<BookForm, BookQuery>>({
  form: {...initFormData},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    bookName: undefined,
    auth: undefined,
    params: {
    }
  },
  rules: {
    bookId: [
      { required: true, message: "图书存储主键不能为空", trigger: "blur" }
    ],
    bookName: [
      { required: true, message: "图书名不能为空", trigger: "blur" }
    ],
    url: [
      { required: true, message: "URL地址不能为空", trigger: "blur" }
    ],
    auth: [
      { required: true, message: "不能为空", trigger: "blur" }
    ],
    introduction: [
      { required: true, message: "不能为空", trigger: "blur" }
    ],
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询图书列表 */
const getList = async () => {
  loading.value = true;
  const res = await listBook(queryParams.value);
  bookList.value = res.rows;
  total.value = res.total;
  loading.value = false;
}

/** 取消按钮 */
const cancel = () => {
  reset();
  dialog.visible = false;
}

/** 表单重置 */
const reset = () => {
  form.value = {...initFormData};
  bookFormRef.value?.resetFields();
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value?.resetFields();
  handleQuery();
}

/** 多选框选中数据 */
const handleSelectionChange = (selection: BookVO[]) => {
  ids.value = selection.map(item => item.bookId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
const handleAdd = () => {
  dialog.visible = true;
  dialog.title = "添加图书";
  nextTick(() => {
    reset();
  });
}

/** 修改按钮操作 */
const handleUpdate = (row?: BookVO) => {
  loading.value = true
  dialog.visible = true;
  dialog.title = "修改图书";
  nextTick(async () => {
    reset();
    const _bookId = row?.bookId || ids.value[0]
    const res = await getBook(_bookId);
    loading.value = false;
    Object.assign(form.value, res.data);
  });
}

/** 提交按钮 */
const submitForm = () => {
  bookFormRef.value?.validate(async (valid: boolean) => {
    if (valid) {
      buttonLoading.value = true;
      if (form.value.bookId) {
        await updateBook(form.value).finally(() =>  buttonLoading.value = false);
      } else {
        await addBook(form.value).finally(() =>  buttonLoading.value = false);
      }
      proxy?.$modal.msgSuccess("修改成功");
      dialog.visible = false;
      await getList();
    }
  });
}

/** 删除按钮操作 */
const handleDelete = async (row?: BookVO) => {
  const _bookIds = row?.bookId || ids.value;
  await proxy?.$modal.confirm('是否确认删除图书编号为"' + _bookIds + '"的数据项？').finally(() => loading.value = false);
  await delBook(_bookIds);
  proxy?.$modal.msgSuccess("删除成功");
  await getList();
}

/** 导出按钮操作 */
const handleExport = () => {
  proxy?.download('system/book/export', {
    ...queryParams.value
  }, `book_${new Date().getTime()}.xlsx`)
}

onMounted(() => {
  getList();
});
</script>

<style scoped>
.duandai{
  background-image: url("@/assets/images/duandai.png");
  background-repeat: no-repeat;
  //background-position: center center;
  background-position-x: right;
  background-size: 10% 20%;
}
</style>
